Can Oscars and Bristlenose Plecos Live Together?

No, not a good match. Oscar is aggressive and will bully or kill peaceful fish such as bristlenose pleco.

Verdict
No, not a good match
Shared temperature
73–81 °F23–27 °C
Shared pH
6–7.8
Smallest tank for both
See below

Oscars and Bristlenose Plecos, side by side

OscarBristlenose pleco
Adult size11.8 in30 cm5.1 in13 cm
Smallest tank75 gal284 L30 gal114 L
KeepOne or moreOne or more
Temperature73–81 °F23–27 °C72–81 °F22–27 °C
pH6–86–7.8
TemperamentAggressivePeaceful
SwimsIn the middleOn the bottom

Why it does not work

Oscar is aggressive and will bully or kill peaceful fish such as bristlenose pleco.

Better tank mates for oscars

Better tank mates for bristlenose plecos

Questions and answers

Can oscars and bristlenose plecos live in the same tank?

No, not a good match. Oscar is aggressive and will bully or kill peaceful fish such as bristlenose pleco.

What temperature suits oscars and bristlenose plecos?

73–81 °F (23–27 °C) suits both.

More pairs

Based on each species' adult size, water range and temperament (Seriously Fish, FishBase) and the rules of our stocking calculator. Individual fish differ: this is a guide, not a guarantee.